<style>
  body {
    font-family: "Yu Gothic", "Hiragino Sans", sans-serif;
    background: #f7f9fb;
    padding: 20px;
  }

  h2 {
    margin-bottom: 20px;
    color: #333;
  }

  #nameForm {
    margin-bottom: 20px;
  }

  #nameForm input {
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }

  #nameForm button {
    padding: 8px 14px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    margin-left: 6px;
    cursor: pointer;
  }

  #resultMessage {
    margin-top: 10px;
    color: #007bff;
  }

  /* テーブルデザイン */
  #userTable {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 6px;
     
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }

  #userTable th {
    background: #fff;
    padding: 10px;
    text-align: left;
    font-weight: bold;
    color: #333;
   border-right: 5px solid #aaa;
  }

  #userTable td {
    padding: 10px;
    border-bottom: 1px solid #ddd;
    border-right: 5px solid #aaa;
  }

  #userTable tr:hover {
    background: #f1faff;
  }

  /* ボタン統一デザイン */
  button {
    padding: 6px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }

  .btn-kengen-on {
    background: #ff4d4d;
    color: white;
  }

  .btn-kengen-off {
    background: #ccc;
  }

  .btn-delete {
    background: #444;
    color: white;
  }

  /* token ありセル（強調） */
  .token-ari {
    background:#b3e5fc ;
    color: white;
  }

  /* 登録済み行 */
  .tr-touroku {
    background: #e0f7ff;
  }

  .dragging {
    opacity: 0.5;
  }
</style>